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manifest.json
{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "app": {
    "launch": {
      "local_path": "main.html"
    }
  },
  "background": {
    "page": "background.html"
  },
  "description": "A 10 level, bricks and paddle, breakout style game.",
  "icons": {
    "16": "icon_16.png",
    "128": "icon_128.png"
  },
  "name": "Breakout",
  "version": "1.5.0.3",
  "permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "css": [
        "breakout.css"
      ],
      "js": [
        "game.js",
        "breakout.js",
        "levels.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'"
}